Phone numbers in Marinette, Wisconsin
Marinette has 10 phone prefixes in area code 715.
Biggest holders: Cellcom, Brightspeed Of North Central Wisconsin, T-Mobile (including Sprint). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 20%
- Local phone company 20%
- Internet / business phone carrier 20%
- Phone company 40%
Every prefix in Marinette
Search the first six digits of a number in this list. If it's here, the number started in Marinette with the carrier shown. If it isn't, check the Wisconsin page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 715-330 | T-Mobile (including Sprint) | Mobile carrier | 2002 |
| 715-504 | Level 3 (Lumen) | Internet / business phone carrier | 2009 |
| 715-587 | AT&T Mobility | Mobile carrier | – |
| 715-666 | Onvoy | Internet / business phone carrier | 2019 |
| 715-732 | Brightspeed Of North Central Wisconsin | Local phone company | – |
| 715-735 | Brightspeed Of North Central Wisconsin | Local phone company | – |
| 715-775 | Cellcom | Phone company | – |
| 715-860 | Stratus Networks | Phone company | 2020 |
| 715-923 | Cellcom | Phone company | – |
| 715-938 | Cellcom | Phone company | – |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.